Knowles is a manufacturer represented in Maketronics sourcing data for electronic components used in production, maintenance, repair, and long-life system support. This page focuses on procurement reality: available parts, lifecycle risk, sourcing complexity, and verified supply options for obsolete, discontinued, and hard-to-find Knowles components.
| Image | Part Number / Manufacturer | Description / Specs | MOQ | Datasheet | RFQ | |
|---|---|---|---|---|---|---|
 | BU-27135-000 Manufacturer: Knowles Category: Vibration Sensors | ACCELEROMETER 1.5V LOW FREQ RESP | 1 | |||
| IA700CQ-1 Manufacturer: Knowles Category: DSP (Digital Signal Processors) | IA700 ULTRA-LOW POWER AUDIO EDGE | 1 | |||
 | WBHC-23910-000 Manufacturer: Knowles Category: Speakers | SPEAKER 145OHM TOP PORT 95DB | 1 | |||
 | PK-22001-000 Manufacturer: Knowles Category: Speakers | SPEAKER | 1 | |||
| EG-23000-C36 Manufacturer: Knowles Category: Speakers | SPEAKER SMD | 1 | |||
| SR6438NWS-160 Manufacturer: Knowles Category: Speakers | SPEAKER 55.5OHM TOP PORT 109.5DB | 1 | |||
| SR6438NWS-003 Manufacturer: Knowles Category: Speakers | SPEAKER 55.5OHM TOP PORT 109.5DB | 1 | |||
| ES-23167-000 Manufacturer: Knowles Category: Speakers | SPEAKER W/CLASS D AMP | 1 | |||
| EP-27104-000 Manufacturer: Knowles Category: Speakers | SPEAKER W/CLASS D AMP | 1 | |||
| PHF-23851-000 Manufacturer: Knowles Category: Speakers | SPEAKER 56OHM TOP PORT 110DB | 1 | |||
| EC-23894-P28 Manufacturer: Knowles Category: Speakers | SPEAKER SMD | 1 | |||
| CM-23752-000 Manufacturer: Knowles Category: Speakers | SPEAKER | 1 | |||
 | CI-28512-017 Manufacturer: Knowles Category: Speakers | SPEAKER 140OHM TOP PORT 131.5DB | 1 | |||
 | 2403 260 00091 Manufacturer: Knowles Category: Speakers | SPEAKER 6OHM 700MW TOP PORT 74DB | 1 | |||
 | SR-31843-000 Manufacturer: Knowles Category: Speakers | SPEAKER 46OHM TOP PORT 105DB | 1 | |||
| WBHC-26892-000 Manufacturer: Knowles Category: Speakers | SPEAKER 210OHM TOP PORT 95DB | 1 | |||
| FH-26664-000 Manufacturer: Knowles Category: Speakers | SPEAKER 790OHM TOP PORT 100.5DB | 1 | |||
| ES-23140-000 Manufacturer: Knowles Category: Speakers | SPEAKER TOP PT 104DB RECTANGULAR | 1 | |||
| EH-23061-000 Manufacturer: Knowles Category: Speakers | SPEAKER 505OHM TOP PORT 103DB | 1 | |||
| EF-29586-000 Manufacturer: Knowles Category: Speakers | SPEAKER 135OHM TOP PORT 122DB | 1 |
Knowles background details are maintained for procurement context rather than general company history. Founded year: not publicly confirmed in this database. Headquarters or primary country record: global electronics markets. The practical sourcing relevance is how its component portfolio remains designed into long-life systems after production availability changes.
Knowles components may span multiple electronic categories depending on the product family, including Analog ICs, Power Management ICs, Microcontrollers, Connectors, Memory, Signal Chain Components. Buyers typically evaluate these parts by package, suffix, temperature grade, lifecycle status, compliance requirement, and acceptable alternate rules.
Knowles parts are commonly sourced for industrial automation, automotive electronics, medical devices, aerospace and defense systems, communications equipment, repair programs, and production continuity projects where exact component identity matters.
Even major manufacturers revise portfolios as technologies, packages, fabs, and demand patterns change. For long-life equipment, this can leave approved designs dependent on obsolete, EOL, or limited-availability Knowles parts long after the original production window has closed.
After EOL, availability can move into fragmented supplier channels. Common risks include reduced traceability, mixed lots, remarking, counterfeit exposure, inconsistent storage history, and price volatility caused by scarcity.
Supplier Intelligence Layer: manufacturer-specific supplier mapping, performance-based supplier selection, and quote-level monitoring. Quality Control Layer: 30-100x Digital Visual Inspection, risk-based advanced testing aligned with AS6081 and AS6171, and ISO/IEC 17025 laboratory support where required. Transaction Control Layer: escrow-based procurement, controlled payment release, and buyer-side protection.
Maketronics supports sourcing of obsolete, discontinued, and hard-to-find components from Knowles through a globally distributed, performance-governed supplier network.
Analog ICs, Power Management ICs, Microcontrollers, Connectors, Memory, Signal Chain Components
